The Tale of the Backasswards Vengeance

In approximately eight months, all life on Earth will end. And only the elite, and the band of scientists they favour, will be able to continue their lives on the Mars colony all of humanity came together to form.
Enter Kedar, the lead astronomer of the Relocation Program, the one who gave all his life this research, who is debarred from the "elite" group.
What would you do if the world was ending, your parents were dying, and the only way you could save their AND your life has been snatched away from you and handed to you best friend?